Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

HW-MN0802793 – Residency

13th sighting in South Africa
Fluke of HW-MN0802793
HW-MN0802793 Confirmed in the catalog @108954
Nov 17, 2024 – Jan 9, 2025 · South Africa

South Africa · Nov 2024 – Jan 2025

59 m
Deepest dive
2:48
Longest dive
55
Dives
Sightings
7
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 17, 202459 m—46 m
Nov 17, 202459 m—50 m
Nov 21, 202461 m—54 m
Dec 3, 202464 m—54 m
Jan 4, 202556 m—37 m
Jan 8, 202572 m—59 m
Jan 9, 202568 m—41 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Nov 17, 2024 — seafloor 59 m (measured), deepest dive 46 m (modelled)Nov 17Nov 17, 2024 — seafloor 59 m (measured), deepest dive 50 m (modelled)Nov 17Nov 21, 2024 — seafloor 61 m (measured), deepest dive 54 m (modelled)Nov 21Dec 3, 2024 — seafloor 64 m (measured), deepest dive 54 m (modelled)Dec 3Jan 4, 2025 — seafloor 56 m (measured), deepest dive 37 m (modelled)Jan 4Jan 8, 2025 — seafloor 72 m (measured), deepest dive 59 m (modelled)Jan 8Jan 9, 2025 — seafloor 68 m (measured), deepest dive 41 m (modelled)Jan 9

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

59 m
Deepest dive
2:48
Longest dive
55
Dives
23 m
Avg dive depth
7
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010059 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (72 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Jan 8, 2025

measured
Seafloor depth
72 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 7 sightings

measured
Seafloor depth
56 m – 72 m
Sea-surface temperature
—
Distance from shore
4.0 km – 14.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 7 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.